<template>
    <div class="icons">
        <swiper :options="swiperOption">
            <swiper-slide v-for="(page, index) of pages" :key="index">
                <div class="icon" v-for="item of page" :key="item.id">
                    <div class="icon-img"><img :src="item.imgUrl" class="icon-img-content" /></div>
                    <p class="icon-desc">{{ item.desc }}</p>
                </div>
            </swiper-slide>
        </swiper>
    </div>
</template>

<script>
export default {
    name: 'HomeIcons',
    props: {
        list: Array
    },
    data() {
        return {
            swiperOption: {
                autoplay: false
            }
        }
    },
    computed: {
        pages (){
            const pages = []
            this.list.forEach((item,index) =>{
                const page = Math.floor( index / 8 )
                if( !pages[page]) {
                    pages[page] = []
                }
                pages[page].push(item)
            })
            return pages
        }
    }
};
</script>

<style lang="stylus" scoped>
@import '~^css/varibles.styl'
@import '~^css/mixins.styl'
.icons >>> .swiper-container
    height: 0
    padding-bottom: 50%

.icon
    position: relative
    overflow: hidden
    float: left
    width: 25%
    height: 0
    padding-bottom: 25%

    .icon-img
        position: absolute
        top: 0
        left: 0
        right: 0
        bottom: .44rem
        box-sizing: border-box
        padding: .1rem
        .icon-img-content
            display: block
            margin: 0 auto
            height: 100%
    .icon-desc
        position: absolute
        left: 0
        right: 0
        bottom: 0
        height: .44rem
        line-height: .44rem
        text-align: center
        color: $darkTextColor
        ellipsis()
</style>
